1 янв 1927 г. - The Conquest of Interplanetary Space discusses orbital effects and rocket mechanics.

Описание:

This was written by a Yuri Kondratyuk, a Ukranian-Soviet engineer. Due to persecution from authorities, his real name was actually Oleksandr Ignatyevich Shargei.

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Space

ByDarren GUAN

9 дек 2019

409

Дата:

1 янв 1927 г.

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